Stuctural Geology and Geologic History terms

stress

strain

3 types of deformation

plastic

elastic

fracture

forces

compression

tension

shear

strike

dip

Brunton Compass

cross section

block diagram

folds

anticline

dome

syncline

basin

monocline

limb

axis

axial plane

nose

plunge

earthquakes and faults

joint

fault

fault plane

epicenter

focus

shallow, intermediate, deep

seismic waves

P, S, R, Love

seismograph

Richter scale

Modified Mercalli scale

liquifaction

tsunami

Headwall (Hangingwall)

Footwall

horst

graben

older rocks on upthrown block

Types of Faults

normal

reverse

thrust

decollment

strike slip

left lateral

right lateral

transform

oblique slip

basin, range, horst, graben, playa, intermontane

unconformity

disconformity

nonconformity

angular unconformity

Here is a picture of Portage, Alaska, a town that was detroyed by the great Alaska earthquake, M>9..

Here is a link to the Seismic Monitor.

For USGS links to some earthquake related materials one arthquake effects, fault models, and the Loma Prieta, CA earthquake click here and scroll through the page. Materials are available in HyperCard, paer, and QuickTime.

Here is a link to USGS fault models.

The GeoLabs index which links to the Virtual Earthquake lab can be reached at any one of these sites.

sciencecoureware.com

sciencecourseware.org

http://vcourseware5.calstatela.edu/GeoLabs/

http://vcourseware4.calstatela.edu/GeoLabs/

http://vcourseware3.calstatela.edu/GeoLabs/

http://vcourseware2.calstatela.edu/GeoLabs/

http://vcourseware.calstatela.edu/GeoLabs/

sciencecoureware.com

sciencecourseware.org

11/29/06